Detection mechanism for bubbles of matching layer of ultrasonic water meter

Abstract

The utility model relates to the technical field of industrial automation, and discloses a detection mechanism for ultrasonic water meter matching layer bubbles, which comprises a force sensor protection assembly, a detection assembly and a positioning assembly, the force sensor protection assembly is used for overload protection of a force sensor and detection of contact force of a detection probe and a water meter; the detection assembly is used for detecting bubbles of the ultrasonic water meter matching layer and fixing the water meter. By using the mechanism, the requirement of a factory for realizing large-batch detection of the matching layer of the ultrasonic water meter is met, the equipment structure is simple, the size is small, the one-time detection passing rate is high, and the mechanism can be used for detecting various types of ultrasonic water meters by replacing different water meter carriers.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial automation, in particular to a detection mechanism for bubbles in a matching layer of an ultrasonic water meter. Background Art

[0002] Ultrasonic water meters are instruments that use the time difference method to measure water flow. The bubbles that may exist in the matching layer of the water meter greatly affect the detection performance of the ultrasonic water meter. Before the assembly line of the ultrasonic water meter, professional equipment is required to detect the matching layer of the ultrasonic water meter to eliminate the quality problem of bubbles in the matching layer. There is a method to detect bubbles in the matching layer of ultrasonic water meters using ultrasound, but there is no professional equipment developed for this method that is suitable for large-scale detection in factories. Utility Model Content

[0003] The utility model aims at the defects or shortcomings of the prior art and provides a detection mechanism for bubbles in the matching layer of ultrasonic water meters. The mechanism meets the needs of factories for mass detection of matching layers of ultrasonic water meters. The device has a simple structure, a small volume, and a high one-time detection pass rate. It can be used to detect various types of ultrasonic water meters by replacing different water meter carriers.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A detection mechanism for bubbles in the matching layer of an ultrasonic water meter, characterized in that it comprises a force sensor protection component, a detection component and a positioning component, wherein the force sensor protection component is used for overload protection of the force sensor and detection of contact force between the detection probe and the water meter, and the detection component is used for detection of bubbles in the matching layer of the ultrasonic water meter and fixation of the water meter.

[0006] Furthermore, the force sensor protection assembly includes a mounting flange, a spring adjustment block, a spring, a sensor mounting block, and a force conduction shaft are installed inside the mounting flange, the spring adjustment block adjusts the preload force of the spring to prevent the force sensor from being overloaded and damaged; the sensor mounting block is used to install and protect the force sensor; and the force conduction shaft is used for indirect conduction of force.

[0007] Furthermore, the detection assembly includes an ultrasonic sensor installation tool, a piezoelectric ceramic installation tool, and a cylinder pressing mechanism. The ultrasonic sensor installation tool is installed on the force conduction axis of the force sensor protection assembly; the piezoelectric ceramic installation tool installs piezoelectric ceramics and is used in conjunction with the ultrasonic sensor installation tool to detect bubbles in the matching layer of the ultrasonic water meter; the cylinder pressing mechanism is used to press the water meter and achieve contact between the ultrasonic sensor installation tool, the piezoelectric ceramic installation tool and the matching layer of the water meter.

[0008] Furthermore, the positioning component includes a water meter carrier and a carrier installation mechanism; the water meter carrier is used for positioning the water meter, and positioning of different water meter types can be achieved by replacing different water meter carriers; the carrier installation mechanism is used for installing the water meter carrier, and can achieve rapid replacement of the water meter to be tested.

[0009] The beneficial effect of the utility model is that a detection device suitable for the large-scale production needs of factories is developed based on the ultrasonic detection method, which meets the production needs of factories. By replacing the water meter carrier, the detection of various types of ultrasonic water meters is realized, thereby reducing the manufacturing cost of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The drawings in the specification, which constitute a part of the present application, are used to provide further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute improper limitations on the present application.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 An exploded diagram of the force sensor protection assembly;

[0013] Figure 3 It is a schematic diagram of the structure of the detection component;

[0014] Figure 4 It is a schematic diagram of the structure of the positioning component;

[0015] Among them: 1. Force sensor protection assembly; 2. Detection assembly; 3. Positioning assembly; 101. Mounting flange; 102. Spring adjustment block; 103. Spring; 104. Sensor mounting block; 105. Force conduction shaft; 201. Ultrasonic sensor mounting tool; 202. Piezoelectric ceramic mounting tool; 203. Cylinder pressing mechanism; 301. Water meter carrier; 302. Carrier mounting mechanism. DETAILED DESCRIPTION

[0016] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0017] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or their combinations;

[0018] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, they only indicate that they are consistent with the up, down, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0019] Terminology explanation section: The terms "install", "connect", "connect", "fixed" and the like in the present invention should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements, or an interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0020] As introduced in the background technology, the current prior art does not have a dedicated mechanism for ultrasonic water meter matching bubble detection. In order to solve the above technical problems, the present application proposes a detection mechanism for ultrasonic water meter matching layer bubbles.

[0021] In a typical implementation of the present application, Figure 1 As shown, first pull the carrier installation mechanism 302 in the positioning component 3, replace the corresponding water meter carrier 301 according to the required detection type, place the ultrasonic water meter on the water meter carrier 301 in the correct direction, and push the carrier installation mechanism 302 after the ultrasonic water meter is in place, drive the ultrasonic water meter to be detected into place, and the cylinder pressing mechanism 203 with the power sensor protection component 1 and the ultrasonic sensor installation tooling 201 in the detection component 3 is pressed down. After the cylinder pressing mechanism 203 is pressed into place, the ultrasonic water meter is fixed, and the ultrasonic sensor installation tooling 201 and the piezoelectric ceramic installation tooling 202 start working. After the detection is completed, the cylinder pressing machine 203 with the power sensor protection component 1 and the detection component ultrasonic sensor installation tooling 201 rises, pulls out the positioning component 3 and replaces it with a new ultrasonic water meter to be detected.

[0022] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly used in other technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A detection mechanism for bubbles in the matching layer of an ultrasonic water meter, characterized in that: It includes a force sensor protection component, a detection component and a positioning component. The force sensor protection component is used for overload protection of the force sensor and detection of contact force between the detection probe and the water meter; the detection component is used for detection of bubbles in the matching layer of the ultrasonic water meter and fixation of the water meter.

2. The detection mechanism for bubbles in the matching layer of an ultrasonic water meter according to claim 1, characterized in that: The force sensor protection assembly includes a mounting flange, a spring adjustment block, a spring, a sensor mounting block, and a force conduction shaft installed inside the mounting flange, the spring adjustment block adjusts the preload force of the spring to prevent the force sensor from being overloaded and damaged; the sensor mounting block is used to install and protect the force sensor; and the force conduction shaft is used for indirect force conduction.

3. The detection mechanism for bubbles in the matching layer of an ultrasonic water meter according to claim 1, characterized in that: The detection assembly includes an ultrasonic sensor installation tool, a piezoelectric ceramic installation tool, and a cylinder pressing mechanism. The ultrasonic sensor installation tool is installed on the force conduction shaft of the force sensor protection assembly; the piezoelectric ceramic installation tool installs piezoelectric ceramics and is used in conjunction with the ultrasonic sensor installation tool to detect bubbles in the matching layer of the ultrasonic water meter; the cylinder pressing mechanism is used to press the water meter and achieve contact between the ultrasonic sensor installation tool, the piezoelectric ceramic installation tool and the matching layer of the water meter.

4. The detection mechanism for bubbles in the matching layer of an ultrasonic water meter according to claim 1, characterized in that: The positioning component includes a water meter carrier and a carrier installation mechanism; the water meter carrier is used to position the water meter, and different water meter types can be positioned by replacing different water meter carriers; the carrier installation mechanism is used to install the water meter carrier, and can realize the rapid replacement of the water meter to be tested.

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